The island of Yapoah grows two types of potatoes: red and purple. You wonder if the purple potatoes are larger, on average, than the red potatoes. You collect a random sample of 52 purple potatoes and find an average volume (in cubic millimeters) of 115 together with a standard deviation of 23. You also collect a random sample of 45 red potatoes and find an average volume of 108 with a standard deviation of 30. If the island's purple potatoes are Population 1 and the red potatoes are Population 2, choose the correct null and alternative hypotheses. ISelect] What is the t-statistic for this significance test? I Select) Using the conservative estimate, what are the degrees of freedom for this problem? ( Select )

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